| OFR43 Results of Trenching Investigations Along the New Castle Railroad Survey-1 Seismic Line, New Castle, Delaware |
McLaughlin, P.P., Baxter, S.J., Ramsey, K.W., McKenna, T.E., Strohmeier, S.A. |
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| SP23 Earthquake Basics |
Baxter, S.J. |
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| SP9 Generalized Geologic Map of Delaware |
Pickett, T.E., Spoljaric, N., Jordan, R.R. |
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| OFR3 Preliminary Report on the Earthquake of February 28, 1973 |
Woodruff, K.D., Jordan, R.R., Pickett, T.E. |
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| OFR2 Preliminary Report on Seismic Events in Northern Delaware |
Jordan, R.R., Pickett, T.E., Woodruff, K.D. |
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